Geography
Name the mantle-core interface where primary seismic waves slow down and secondary seismic waves disappear completely.
- Gutenberg Discontinuity
- Mantlic Discontinuity
- Core Discontinuity
- Mohorovicic Discontinuity
Related Questions
At the depth of around 100-410 km, mantle is partially molten and is known as:
- Asthenosphere
- Mantlenosphere
- Moltenosphere
- None of the above
What is the temperature variation in the mantle in °C?
- 1500 to 3700
- 1500 to 2500
- 1000 to 3700
- 1000 to 4000
Name the boundary between the crust and the mantle which has characteristics of both layers.
- Gutenberg Discontinuity
- Crust Discontinuity
- Mantlic Discontinuity
- Mohorovicic Discontinuity
Assertion (A): The thickness of the lithosphere is very fragile compared to the nature and composition of the earth.
Reason (R): There are continuous changes in the earth's crust due to forces of nature.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.